Ink jet printing processes

Details Ink jet printing processes Ink jet printing processes

1992-12-01

1993-09-07

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

346 11, G01D 906, C09D 1102

Patent

active

052424898

ABSTRACT:
Disclosed is an ink composition which comprises an aqueous liquid vehicle, a colorant, and a polymeric additive of the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen, alkyl groups with from 1 to about 8 carbon atoms, and alkoxy groups with from 1 to about 8 carbon atoms, R.sup.3 and R.sup.4 are independently selected from the group consisting of alkyl groups with from 1 to about 4 carbon atoms, and x and y are each independently a number of from about 100 to about 400, present in an amount of at least about 1 part per million. The ink is suitable for use in ink jet printing processes, particularly thermal ink jet printing processes.

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